Does he only want me for sex????

Hope

I like this guy(let’s call him LA)and he flirts with me all the time. I ware his hoodie and he holds my hand and walks with me and stuff, we are not officially dating but we are talking. One of his friends snap chatted me saying that the only reason LA’s talks to me is bc my ex bf told him that we had sex and that’s all LA wants that I needed to be careful bc he only wanted to f with me. Now I’m confused and I don’t know what to do, someone please help me pls!!!!